[PM-5533] Migrate Asymmetric User Keys to State Providers (#7665)

libs/common/src/platform/state/derive-definition.spec.ts

@@ -0,0 +1,42 @@
+import { DeriveDefinition } from "./derive-definition";
+import { KeyDefinition } from "./key-definition";
+import { StateDefinition } from "./state-definition";
+
+const derive: () => any = () => null;
+const deserializer: any = (obj: any) => obj;
+
+const STATE_DEFINITION = new StateDefinition("test", "disk");
+const TEST_KEY = new KeyDefinition(STATE_DEFINITION, "test", {
+  deserializer,
+});
+const TEST_DERIVE = new DeriveDefinition(STATE_DEFINITION, "test", {
+  derive,
+  deserializer,
+});
+
+describe("DeriveDefinition", () => {
+  describe("from", () => {
+    it("should create a new DeriveDefinition from a KeyDefinition", () => {
+      const result = DeriveDefinition.from(TEST_KEY, {
+        derive,
+        deserializer,
+      });
+
+      expect(result).toEqual(TEST_DERIVE);
+    });
+
+    it("should create a new DeriveDefinition from a DeriveDefinition", () => {
+      const result = DeriveDefinition.from([TEST_DERIVE, "newDerive"], {
+        derive,
+        deserializer,
+      });
+
+      expect(result).toEqual(
+        new DeriveDefinition(STATE_DEFINITION, "newDerive", {
+          derive,
+          deserializer,
+        }),
+      );
+    });
+  });
+});